Session

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Session is ranked #8 of 43 in encrypted messaging apps on Inferse. It runs on Android, iOS, Linux, macOS, Windows. There is a free plan. Paid plans start at $2.99/mo.

Compared on encrypted messaging apps

Free plan: Yesgetsession.org
Paid from: $2.99/mogetsession.org
Encryption coverage: mixedgetsession.org
Maximum group size: 100 membersgetsession.org
Desktop app: Yesgetsession.org
Voice and video calls: Yesgetsession.org
Disappearing messages: Yesgetsession.org
Encrypted backups: nonegetsession.org

Facts

Product: Session is a decentralized, end-to-end encrypted private messaging app.getsession.org · 30 Sept 2026
Account signup: Users can create an account without a phone number or email address.getsession.org · 30 Sept 2026
Routing: Session uses onion requests so no single server knows both a message’s origin and destination.getsession.org · 30 Sept 2026
Messaging features: Session supports disappearing messages and encrypted group chats.getsession.org · 30 Sept 2026
Group limit: A group chat supports up to 100 people.getsession.org · 30 Sept 2026
Communities: Communities are large public channels that are self-hosted and are not fully end-to-end encrypted.getsession.org · 30 Sept 2026
Attachments: Attachments can be up to 10MB, are encrypted on the device, and are stored through the Session File Server.getsession.org · 30 Sept 2026
Calls: Voice and video calls are beta features, use peer-to-peer networking, and can expose a user’s IP address to the call partner and an STF-operated STUN/TURN server.getsession.org · 30 Sept 2026
Call limit: Session currently supports one-to-one voice and video calls, not group calls.getsession.org · 30 Sept 2026
Security audit: Session’s desktop, Android, and iOS clients have been audited by Quarkslab.getsession.org · 30 Sept 2026
Open source: Session’s code is open source and can be independently audited.getsession.org · 30 Sept 2026
Recovery limit: Account recovery retrieves messages from the last 14 days, and contacts may be unrecoverable if all devices have been offline for more than 30 days.getsession.org · 30 Sept 2026
Platforms: The maker’s download page offers apps for Android, iPhone, Windows, Mac, and Linux.getsession.org · 30 Sept 2026
Support: The maker directs users needing help to its support portal.getsession.org · 30 Sept 2026
Notification integrations: Mobile push notifications can use Firebase Cloud Messaging on Android and Apple Push Notification Service on iOS.getsession.org · 30 Sept 2026